1. Fabric: Made of "Sunshine" brand cowhide imported from Italy (1.0mm thick), or high-grade microfiber leather that has been treated with liquid dipping and moisture-proof, anti-fouling and other processes. The leather surface is softer and more comfortable, has good gloss durability and fine texture. Highly elastic; 2. Solid wood board frame: high-quality imported hardwood with a moisture content of less than 9% and 5mm multi-layer plywood, treated with insect-proof, anti-corrosion and other chemical treatments; 3. Sponge: DuPont's PU molded foaming high-density Sponge is a high-resilience sponge with a protective layer on the surface, which is anti-oxidation and anti-shattering. It will never deform after HD testing. Backrest density ≧27kg/m3, seat cushion density ≧36kg/m3, resilience ≧35%, tensile strength 95kpa, tear strength of 3.3N/cm, elongation at break of 185%, and indentation hardness of 190N. 4. Craftsmanship: Ergonomic design, comfortable to sit on!